#3F133B#3F133B

#3F133B is a dark, moderate purple. Relative luminance 0.018; OKLCH L 27.5% C 0.089 H 331.4°. Best body text is #FFFFFF at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#3F133B
RGB	rgb(63, 19, 59)
HSL	hsl(305, 54%, 16%)
HSV	hsv(305, 70%, 25%)
CMYK	cmyk(0%, 69.8%, 6.3%, 75.3%)
CIE-LAB	lab(14.62, 27.31, -15.48)
CIE-LCH	lch(14.62, 31.39, 330.45°)
OKLab	oklab(27.54% 0.0779 -0.0424)
OKLCH	oklch(27.54% 0.089 331.4)
XYZ	xyz(3.0722, 1.8385, 4.3299)
Luminance	0.0184 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F133B #133F17

analogous

#2D133F #3F133B #3F1325

triadic

#3F133B #3B3F13 #133B3F

tetradic

#3F133B #3F2D13 #133F17 #13253F

square

#3F133B #3F2D13 #133F17 #13253F

split-complementary

#3F133B #253F13 #133F2D

monochromatic

#180716 #180716 #3F133B #6E2167 #9D2F93

Accessibility & contrast

On white

15.36

#3F133B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#3F133B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F133B

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F133B	#FFFFFF	#000000	##FFFFFF
##3F133B	1.00	15.36	1.37	15.36
#FFFFFF	15.36	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11213C

Deuteranopia (green-blind)

#1F273A

Tritanopia (blue-blind)

#421724

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #3f133b;
/* rgb */ color: rgb(63, 19, 59);
/* oklch */ color: oklch(27.5% 0.089 331.4);

Tailwind

colors: {
  custom: {
    50: '#765471',
    500: '#3f133b',
    950: '#000000',
  },
}

SCSS

$custom: #3f133b;
$custom-light: #765471;
$custom-dark: #000000;

JSON

{
  "hex": "#3f133b",
  "rgb": {
    "r": 63,
    "g": 19,
    "b": 59
  },
  "hsl": {
    "h": 305.455,
    "s": 53.659,
    "l": 16.078
  },
  "oklch": {
    "l": 0.27542,
    "c": 0.08869,
    "h": 331.4
  },
  "luminance": 0.01838
}

Semantic roles & 50–950 ramp

primary

#3F133B

secondary

#36783C

accent

#DD584B

background

#F7F5F6

surface

#EDE8EC

border

#C8C4C7

text

#090307

muted

#7B787A

Preview Lab

Preview with #3F133B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →